Redding Type S Match Bushing Neck Die Set .300 Win Mag

The Redding Type S Match Bushing Neck Die Set for .300 Win Mag is built for reloaders who demand tight concentricity and repeatable neck tension on their premium rifle brass. If you're working up handloads for long-range hunting or precision rifle competition, this die set gives you the control that separates mediocre groups from match-winning accuracy. The Type S bushing system uses interchangeable sizing bushings—available in .001-inch increments—so you can dial in the exact neck tension your cartridge and load demand, rather than settling for a one-size-fits-most approach.

The real advantage of this .300 Win Mag neck die is how the bushing self-centers on the case neck during sizing, which naturally improves concentricity without extra fuss. That matters when you're pushing rounds downrange at distance. The adjustable decapping rod lets you resize only the upper portion of the neck if you prefer, giving handloaders who turn and sort their brass the flexibility to work with precision-prepped cases. The set includes both a standard decapping button and a decapping pin retainer, so whether you're sizing virgin commercial brass straight from the box or working with prepared cases, you've got the right tool in the box.

Redding's match-grade dies are the choice of serious competitors and long-range hunters who understand that cartridge preparation is where precision begins. This is not a compromise die set—it's engineered for shooters who refuse to compromise.

What's Included

• Type S Bushing Neck Sizing Die Body
• Competition Seating Die
• Standard decapping button
• Decapping pin retainer

Key Features

• Interchangeable sizing bushings available in .001-inch increments for precise neck tension control
• Self-centering bushing design enhances case neck concentricity
• Adjustable decapping rod allows partial-neck sizing for prepared brass
• Match-grade seating die for consistent bullet seating
• Works with both virgin commercial brass and precision-prepared cases

Specifications

Frequently Asked Questions

What are interchangeable bushing dies used for in reloading?

A bushing-style neck die like this one lets you dial in the exact amount of neck tension on your sized cases by swapping bushings in .001-inch steps. This is crucial for precision rifle loads where consistent bullet fit and tension directly affect accuracy and velocity uniformity.

Can I use this die set with new, unprepped .300 Win Mag brass?

Yes. The set includes a standard decapping button for sizing virgin commercial brass as-is. If you later want to work with turned or sorted cases, the decapping pin retainer allows you to size without the button.

What's the difference between this bushing die and a standard neck die?

A standard neck die sizes the entire neck in one fixed dimension. The Type S bushing system lets you control neck tension more precisely with interchangeable bushings, and the self-centering design improves concentricity—both advantages for match-level reloading.

Is the seating die in this set suitable for competition or hunting loads?

Yes. The set includes Redding's competition-grade seating die, which is built for the repeatable, precise bullet seating required for both precision rifle competition and long-range hunting.